To learn English well, you should ______ as many words and expressions as possible.
A. distinguish B. undertake C. associate D. accumulate
David studied hard before the examination, and it ______. He made an A.
A. worked out B. marked out C. paid off D. got through
______ label to each of the trees, with detailed introduction of their features, and visitors will know more about them and how to protect them.
A. To attach B. Attach C. Attached D. Having attached
---Who is to give us the lecture today?
---The lady _____ our headmaster into the hall.
A. follows B. following C. followed D. to be followed
Those who don't get their sufficient sleep are actually sending a(n) _____ to severe problems in their life.
A. invitation B. warning C. explanation D. solution
If we learn to accept change and appreciate what is new and different, we will be well-prepared for whatever the future may have _______.
A. in vain B. in store C. in demand D. in general